Color

#4f88ab

#4f88ab
hex#4f88ab
rgbrgb(79, 136, 171)
hslhsl(203, 37%, 49%)
oklchoklch(0.602 0.08 237.1)
Closest name: steelblue (#4682b4)Relative luminance 0.2221

Colors that go with #4f88ab

Charcoal, Copper and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #4f88ab

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ab724f

#4faba0 · #4f5aab

#ab4f88 · #88ab4f

Split-complementary

Open in tool →

#ab4f5a · #aba04f

#a04fab · #ab724f · #5aab4f

Contrast

#4f88ab as textRatioAAAA largeAAAFix
Aaon white
3.86:1failpassfail
  • AA: use #477a9a as the text (4.65:1)
  • AAA: use #355b73 as the text (7.25:1)
  • AA: or shift the background to #1a1a1a (4.51:1)
Aaon black
5.44:1passpassfail
  • AAA: use #6c9dbc as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f88ab as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#4f88ab reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f88ab
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4f88ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f88ab-9cb0c4-df4e5d-1f222d-e9f1f0?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md